---
title: majorVersion
framework: quicktime-file-format
role: symbol
role_heading: Data field
path: quicktime-file-format/vr_world_header_atom/majorversion
---

# majorVersion

The major version number of the file format.

## See Also

### Data fields

- [minorVersion](quicktime-file-format/vr_world_header_atom/minorversion.md)
- [nameAtomID](quicktime-file-format/vr_world_header_atom/nameatomid.md)
- [defaultNodeID](quicktime-file-format/vr_world_header_atom/defaultnodeid.md)
- [vrWorldFlags](quicktime-file-format/vr_world_header_atom/vrworldflags.md)
- [reserved1](quicktime-file-format/vr_world_header_atom/reserved1.md)
- [reserved2](quicktime-file-format/vr_world_header_atom/reserved2.md)